2126653305075 has 120 divisors (see below), whose sum is σ = 4243267736400. Its totient is φ = 1046733891840.

The previous prime is 2126653305053. The next prime is 2126653305079. The reversal of 2126653305075 is 5705033566212.

2126653305075 is a `hidden beast` number, since 2 + 1 + 2 + 66 + 53 + 30 + 507 + 5 = 666.

It is not a de Polignac number, because 2126653305075 - 2⁵ = 2126653305043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2126653305075.

It is not an unprimeable number, because it can be changed into a prime (2126653305079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 216360261 + ... + 216370089.

It is an arithmetic number, because the mean of its divisors is an integer number (35360564470).

Almost surely, 2^{2126653305075} is an apocalyptic number.

2126653305075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2126653305075 is a deficient number, since it is larger than the sum of its proper divisors (2116614431325).

2126653305075 is a wasteful number, since it uses less digits than its factorization.

2126653305075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18083 (or 18069 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 45.

The spelling of 2126653305075 in words is "two trillion, one hundred twenty-six billion, six hundred fifty-three million, three hundred five thousand, seventy-five".